    <!-- 引入jquery -->
    <script src="./lib/jquery/jquery.min.js"></script>
    <!-- 引入bootstrap的js -->
    <script src="./lib/bootstrap_4/js/bootstrap.min.js"></script>
    <script src="./lib/template/template-web.js"></script>
    <!-- 引入字体图标js -->
    <script src="./js/iconfont/lyd_approval/iconfont.js"></script>